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Monolithic Power Systems just had its first billion-dollar quarter. The power management chip designer reported Q3 2026 revenue of $1.202 billion, a company record.
The figure matters beyond one company’s ledger. Monolithic Power supplies chips that feed electricity to high-performance computing and enterprise data systems, so its sales work as a live readout of how hard the AI infrastructure buildout is running.
The numbers behind the milestone
Revenue rose 63.1% from the $737.2 million the company booked in Q3 2025. It also climbed 22.6% from the prior quarter’s $980.6 million.
The engine was the Enterprise Data segment. It brought in $506.7 million, up 164.6% year over year and 33.2% from the previous quarter.
That one segment now accounts for 42.1% of total revenue. Put differently, a business line that grew more than two and a half times in a year is now close to half the company.
Profits kept up. GAAP net income came in at $271.1 million, or $5.51 per diluted share.
On an adjusted, non-GAAP basis, diluted earnings per share reached $8.19. The gap between those two figures reflects items like stock-based compensation that management strips out of its preferred metric, a standard practice that investors weigh differently.
Through the first nine months of 2026, revenue totaled $2.987 billion, a 46.5% increase from the same stretch a year earlier. The full-year growth rate is lower than the Q3 rate, which means the business has been accelerating as the year went on rather than coasting on one strong quarter.
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Guidance and the capacity push
Management isn’t forecasting a cooldown. The company guided Q4 2026 revenue to between $1.315 billion and $1.385 billion.
Monolithic Power also raised its expectations for Enterprise Data. It now expects the segment to grow at least 150% year over year.
The company says its current manufacturing capacity can support more than $6 billion in annual revenue. It is targeting capacity for $8 billion by the second half of 2027. Over the longer term, the stated goal is $10 billion.
Why power chips became an AI story
Power management chips take incoming electricity and convert it into the precise, stable voltages that processors need to function without overheating or failing.
As AI workloads grow more demanding, the chips running them draw more power. That makes efficient power delivery less of a back-office detail and more of a design bottleneck for cloud and data center operators.
Monolithic Power sits squarely in that bottleneck. Its Enterprise Data results suggest data center builders are buying its products at a pace that has reshaped the company’s revenue mix in a single year.
What this means
For investors tracking AI infrastructure, Monolithic Power’s quarter is a useful second opinion. A 164.6% jump in data-related revenue says the spending is reaching the power layer, not just the compute layer.
The concentration cuts both ways, though. With Enterprise Data at 42.1% of revenue and climbing, Monolithic Power is increasingly tied to the spending plans of a relatively narrow set of data center customers.
The capacity plan is the other thing to watch. Building toward $8 billion and then $10 billion in supportable revenue requires real capital and real execution.
The Q4 guidance range gives the market a near-term checkpoint. Hitting it would confirm that Q3 was a new baseline rather than a peak.
